Designed and developed scalable backend systems for multiple projects using Node.js, Express, and modular architecture with dependency injection, ensuring maintainability and high performance from concept to production

Built secure authentication and RBAC with Passport.js, JWT, OAuth, and bcrypt, strengthening access control and significantly reducing unauthorized access incidents.

Developed AI-powered automation features including resume parsing, smart candidate matching, job generation, and data-scraping tools—streamlining workflows and cutting manual effort by over 65%.

Spearheaded the development of a desktop employee productivity and tracking app using Node.js, Next.js, and Electron.js, enabling employees across global offices to access real-time insights into activity and performance, and boost overall productivity by 80%.

Led the development of a sales automation platform with AI agents and Twilio integrations, automating lead engagement through real-time AI-powered conversations, reducing manual follow-up and boosting sales conversions by 30%, while also mentoring junior developers on the project.

Optimized database and system performance with efficient queries, indexing, and Elasticsearch, achieving 25x faster API responses and improving search efficiency by 70%.

Enhanced reliability and user experience through error handling, Winston-based logging, rate limiting, cron-based automations, and feature delivery on internal Next.js/Express apps, boosting system stability and engagement by 45%.

Built an AI-powered Candidate Management System using Next.js.

Integrated AI-powered features, including job generation, automatic candidate matching and filtering for recruiters, and resume/cover letter generation and ranking for candidates—boosting recruiter productivity and candidate engagement by 70%

Built a real-time chat platform using WebSockets, enabling seamless messaging and collaboration between candidates and recruiters.

Implemented React Query for efficient data fetching and caching, alongside server-side rendering (SSR), and lazy loading— enhancing performance, reducing load times by 50%, and ensuring a smoother user experience.

Ensured a scalable and maintainable codebase through modular architecture, separation of concerns, and robust error handling across the application.

Delivered a modern, responsive UI with consistent mobile-first design across all pages to enhance accessibility and user satisfaction.

Participated in code reviews and resolved bugs across the codebase, contributing to overall code quality and team velocity.

Built a full-stack Enterprise Resource Planning web-app using Next.js, Node.js, and MongoDB for handling business inventory, repairs, and customer relationship management.

Implemented an inventory management system to track stock, supplier information, and product specifications, alongside a dedicated repair tracking module that allows technicians to log repairs, update statuses in real time, and maintain a history of past repairs, improving operational efficiency by 70%.

Collaborated closely with the CEO and cross-functional team members to coordinate feature development, integration, and testing, ensuring timely project delivery.

Optimized query speedsthrough Redis caching, database indexing, and pagination, enabling seamless handling of large datasets and significantly reducing response times by over 25x.

Integrated JWT authentication to secure user access, protectsensitive data, and boost overall application security.

Participated in debugging and code reviews; performed comprehensive unit testing with Jest to ensure code quality, eliminating bugs, and improving system performance by 60%.

Led the development of multiple customer-facing web applications, incorporating direct feedback to improve user experience and deliver high-impact, user-centered features.

Established a consistent output standard using a mobile-first, responsive methodology, which led to the successful deployment of 10+ new features based on user feedback and design evaluations.

Partnered with the product team to drive the successful implementation and integration of innovative feature developments, improving product functionality and user engagement by 40%.

Participated in debugging and code review for various web applications, streamlining code quality and enhancing overall application stability and performance.

Pioneered a comprehensive web application overhaul using Next.js and Context API, optimizing the architecture and achieving a 30% boost in overall development efficiency; reduced bug reports by 50% post-launch.

Built and launched three full-stack web applications, implementing features from concept to deployment.

Developed pixel-perfect, fully responsive websites based on multiple UI designs provided by the design team, ensuring a consistent user experience across devices.

Collaborated closely with the Co-founder/CTO and a cross-functional, multinational team, including junior developers, team leads, and representatives from design and operations, to coordinate feature development and project timelines

Diagnosed and resolved bugs across various web applications, improving functionality and user experience by 40%.

Contributed to the backend of a large-scale food delivery application and affiliated company apps, developing and maintaining 15+ NestJS-based microservices backed by PostgreSQL and Knex.js.

Integrated secure OPay payments alongside existing Paystack and Bani integrations, expanding customer payment options and improving transaction reliability by 30%.

Delivered tech support and debugging solutions for production issues, reducing downtime by 20% and ensuring smooth customer experiences

Implemented a rewards and loyalty feature with automated streak reminders and engagement workflows, boosting customer retention and repeat orders by 60%.

Built and optimized internal microservices for marketing and kitchen teams, enabling better campaign management, and operational efficiency.